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Introduction Quality and continuous improvement are an integral part of the electronics industry. Poor quality is costly. Remediation costs of poor quality can cost a company 25% of its annual sales. Poor quality and the need for high reliability are the catalysts driving continuous improvement today. An in-depth review of quality and continuous improvement is presented. The History of Quality The concern for quality control and reduced product variation can be traced back centuries. Archaic quality control methods were used by the Xia Dynasty in 2100 BC in ancient China. During the late 1290s in medieval Europe, guilds the pre-cursor to unions were responsible for product and service quality. From 1700 to 1900, product quality was determined by the individual craftsman’s efforts. At the close of the 19th century, Eli Whitney introduced standardized, interchangeable parts to simplify assembly. In 1875, Frederick W. Taylor introduced the scientific management principl ....